Use the power rules for exponents to simplify. Write the answer in exponential form.8(rt)5
A. 8r5t
B. 8r5t5
C. 85r5t5
D. 8rt5
Answer: B
Mathematics
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Use rational equations to solve the problems.Midtown Antiques has found that sales have decreased 6% from last year. Sales this year are $112,408. Find the amount of last year's sales. Round your answer to the nearest dollar.
A. $119,573 B. $119,483 C. $119,583 D. $120,583
Mathematics
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.31x2 + 10
xy + 21y2 -144 = 0
A. 
B. 
Mathematics
Evaluate the expression.
A. 5040 B. 0 C. 7 D. 1
Mathematics
Find the value of the determinant.
A. 2 B. -38 C. 46 D. 38
Mathematics